英文關鍵字
adolescent
ballpoint
boy
classmate
classroom
college
copybook
curve
desk
educate
education
fingers
grade
group
hands
indoor
knowledge
learn
lecture
lifestyle
man
notebook
one
paper
pen
person
piece
primary
room
school
schoolchild
secondary
seminar
sheet
sitting
student
study
studying
suit
table
teenager
thinking
tie
workshop
writing
youth